Price list of recent memoirs. 4to. 
Vol. V, No. 7. Description of the human spines sliovving numerical variation, 
in the Warren Museum of the Harvard Medical School. Hy 'riiomas 
Dwight. 76 pp. $1.60. ^ 
No. 6. The anatomy and development of Cassiopea xamachana. By Kobert 
Payne Bigelow. 46 pp., 8 plates. $1.40. 
No. 6. The development, structure, and affinities of the genus Equisetum. By 
Edward C. Jeffrey. 36 pp., 5 plates. $1.00. 
No. 4. Localized stages in development in plants and animals. By Robert T. 
Jackson. 65 pp.., 10 plates. $2.00. 
No. 3. Synapta vivipara : A contribution to the morphology of Ecliinoderms. 
By Hubert Lyman Clark. 35 pp., 5 plates. $2.00. 
No.-2. Notes on the dissection and brain of the Chimpanzee “Dumbo.” By 
'riiomas Dwight. 21 pp., 4 plates. $1.00. 
No. 1. On the reserve cellulose of the seeds of Liliaceae and of some related 
orders. By Grace E. Cooley. 29 pp., 6 plates. $1.00. 
Vol. IV, No. 14. A bibliography of Vertebrate embryolo.gy. By Charles 
Sedgwick Minot. 128 pp. $2.50. 
No. 13. Fusion of hands. By Thomas Dwight. 14 pp., 2 plates. 75cts. 
No. 12. The insects of the Tria.s.sic beds at Eairi)lay, Colorado. By Samuel H. 
Rib Sc udder. 16 pp., 2 plates. 
No. 11. Illu.strations of the Carboniferous Arachnida of North America, of tlie 
orders Anthracomarti and Pedipalpi. By Samuel H. Scudder. 14 pp.. 2 
plates. 
No. 10. J^ew Carboniferous Myriapoda from Illinois. By Samuel H. Scudder. 
26 pp., 6 plates. 
No. 9. New types of cockroaches from the Carboniferous deposits of the Tnited 
States. By Samuel H. Scudder. 16 pp., 2 plates. Nos. 9-12, $3.25. 
No. 8.. Bhylogeny of the Belecypoda ; the Aviculidae and their allies. By 
Robert Tracy Jackson. 124 pp., 8 plates. $3.00. 
No. 7. The flora of the Kurile Islands. By K. Miyabe. 74 pp., 1 plate. $1.75. 
No. 6. The Entomophthoreae of the United States. By Roland Thaxter. 79 
pp., 8 plates. $3.50. 
No. 5. The Taconic of Georgia and the report oji the geology of Vermont. Ry 
Jules Marcou. 28 pp., 1 plate. $1.00. 
No. 4. A Study of North American Geraniaceae. By William Trelease. 34 
' ■ pp., 4 plates. $1.25. 
No. 3. The introduction and .spread of Bieris rapae in North America, 1860- 
1885. By Samuel H. Scudder. 18 pp., 1 plate. 50 cts. 
No. 2. The development of the ostrich fern, Onoclea struthiopteris. By Doug¬ 
las il. Campbell. 36 pp., 4 plates. $1.50. 
No, 1. The significance of bone structure. By I’honnis Dwight. 17 pp., 3 
plates. $1.25. 
